Home / 191,458.08-288,620.55-178,613.10

Finding the Fourth Proportional to 191,458.08, 288,620.55 and 178,613.10

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Solution

The fourth proportional to 191,458.08, 288,620.55 and 178,613.10 is: 269,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,458.08 : 288,620.55 = 178,613.10 : x
  2. Step 2: Convert to fraction form
    191,458.08/288,620.55 = 178,613.10/x
  3. Step 3: Cross multiply
    191,458.08x = 288,620.55 × 178,613.10
  4. Step 4: Simplify right side
    191,458.08x = 51,551,411,159.21
  5. Step 5: Solve for x
    x = 51,551,411,159.21/191,458.08
  6. Step 6: Final answer
    x = 269,256.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.